Best Memory Cards for Sony a7 III

Here are the top recommended SD memory cards for Sony a7 III full frame E-mount mirrorless camera.

Featuring the updated 24.2MP full-frame BSI image sensor, 693-Point Hybrid AF System, 10 fps Shooting and UHD 4K video recording. the new Sony a7 III ($1,998 at AmazonB&HAdorama) comes with two SD memory card slots: The card slot 1 supports ultra-fast UHS-II SD memory cards while the Card Slot 2 is compatible with UHS-I memory cards. If you want to shoot 4K video with the Sony a7 III, a fast UHS-II SD memory card is a must – Fast write speed provides fast buffer clearing time between burst shots optimizing your shooting experience, or you will have to wait longer for the buffer to clear and before you can start taking photos again.

Below is our list of best SD memory cards for Sony a7 III mirrorless camera. Just choose the one you like.

Reminder: if you plan to shoot videos, stick to 64GB (or larger) SDXC cards for the best video codex.

UHS-II SD Memory Cards | UHS-I SD Memory Cards

Recommended UHS-II SD Cards for Sony a7 III

Ranked by write speed – The Sony SF-G UHS-II Cards are currently the world’s fastest SD memory cards boasting an ultra-fast maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s and it is well-suited for video capture, including 4K, 3D, HFR, and Full HD video. Up to 299MB/s write speed provides fast buffer clearing time between burst shots optimizing your shooting experience. In addition, with up to 300 MB/s read speed, even large files such as 4K video or a bunch of high-resolution images by continuous shooting can be transferred to PC in seconds.

SD Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G UHS-II SDXC 300 MB/s 299 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO UHS-II SDXC 300 MB/s 260 MB/s Amazon | B&H | Adorama
Hoodman Steel 2000x SDXC UHS-II 300 MB/s 260 MB/s Amazon | B&H | Adorama
Lexar Professional 2000x UHS-II SDXC 300 MB/s 260 MB/s Amazon | B&H | Adorama

Recommended UHS-I SD Cards for Sony a7 III

The Sony a7 III Card Slot 2 is compatible with UHS-I memory cards. The Sony UHS-I SDXC Memory Card (Class 10/U3) and SanDisk Extreme PRO UHS-I SDXC Memory Card (V30) are both excellent options with the same up to 95 MB/s read speed and 90 MB/s write speed in addition to capturing 4K video.

SD Card Max. Read Speed Max. Write Speed Check Price
Sony UHS-I SDXC 95 MB/s 90 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO UHS-I SDXC 95 MB/s 90 MB/s Amazon | B&H | Adorama

Read more: Best Lenses for Sony a7 III.